Tambaram-Chengalpattu Fourth Rail Line Work Starts Jan 2026: Boosts Capacity, Reduces Delays

• Work on the 30.02 km Tambaram-Chengalpattu fourth rail line begins January 2026, costing Rs 713.56 crore.
• Project aims to alleviate severe congestion on the existing three lines, currently at 87% capacity with mixed traffic.
• Benefits suburban passengers from Tambaram, Guduvancheri, Chengalpattu, Sriperumbudur with 100 additional EMU services.
• Supports development of Kilambakkam bus terminus, Kanchipuram airport, and Tambaram coaching terminal.
• Expected to boost freight traffic by 1.344 million tonnes annually, generating Rs 157 crore additional earnings.

Why It Matters: New Tambaram-Chengalpattu rail line to significantly boost capacity, reduce delays, and support regional growth.